Collapsible storage bin



FIG. 1 is a top perspective view of a collapsible storage bin showing my new design;

FIG. 2 is a top perspective view thereof, shown in an alternate position for clarity of illustration;

FIG. 3 is a top perspective view of FIG. 1, shown in a further alternate position for clarity of illustration;

FIG. 4 is a top perspective view, shown with a lid for clarity of illustration; and,

FIG. 5 is a bottom perspective view of FIG. 4. 

The ornamental design for a collapsible storage bin, as shown and described. 